fast-twitch

adjective
\ ˈfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

First Known Use of fast-twitch

1970, in the meaning defined above

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The first known use of fast-twitch was in 1970

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Cite this Entry

“Fast-twitch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fast-twitch. Accessed 1 Mar. 2021.

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More Definitions for fast-twitch

fast-twitch

adjective
\ ˌfas(t)-ˌtwich How to pronounce fast-twitch (audio) \

Medical Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

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